Home / 71,334,156,728.70-107,001,235,093.05-21,647,399,298.30

Finding the Fourth Proportional to 71,334,156,728.70, 107,001,235,093.05 and 21,647,399,298.30

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Solution

The fourth proportional to 71,334,156,728.70, 107,001,235,093.05 and 21,647,399,298.30 is: 32,471,098,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334,156,728.70 : 107,001,235,093.05 = 21,647,399,298.30 : x
  2. Step 2: Convert to fraction form
    71,334,156,728.70/107,001,235,093.05 = 21,647,399,298.30/x
  3. Step 3: Cross multiply
    71,334,156,728.70x = 107,001,235,093.05 × 21,647,399,298.30
  4. Step 4: Simplify right side
    71,334,156,728.70x = 2,316,298,461,470,523,916,288
  5. Step 5: Solve for x
    x = 2,316,298,461,470,523,916,288/71,334,156,728.70
  6. Step 6: Final answer
    x = 32,471,098,947.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.